/* =========================================================
   ビジネス イングリッシュ サポート — 共通スタイル (v2)
   方針: 実用・現場感・信頼 / 40-60代店舗経営者 / スマホ第一
   ベース: 温かみのある紙色 + 墨色の文字 + 柿色アクセント
   見出しは明朝で人間味・信頼感。均一カード羅列・紫グラデ・
   絵文字アイコンは使わない。
   ========================================================= */

:root {
    --paper: #FBF7F0;        /* 背景: 温かい生成り */
    --paper-2: #F4ECE0;      /* 一段沈めた面 */
    --card: #FFFFFF;
    --ink: #2A2521;          /* 本文: 温かい墨色 */
    --ink-soft: #5C544C;     /* 補助テキスト */
    --ink-faint: #8A8074;
    --accent: #C1502B;       /* 柿色 */
    --accent-dark: #9E3D1D;
    --accent-tint: #F5E4DA;  /* 柿色の淡い面 */
    --leaf: #3F5A4C;         /* 信頼の緑(チェック等) */
    --line: #E3D8C7;         /* 罫線 */
    --marker: #FCE4A8;       /* マーカー風ハイライト */
    --shadow: 0 2px 4px rgba(60, 45, 30, .06);
    --shadow-lg: 0 10px 30px rgba(60, 45, 30, .10);
    --radius: 10px;
    --wrap: 1080px;
    --serif: "Noto Serif JP", serif;
    --sans: "Noto Sans JP", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--sans);
    color: var(--ink);
    background: var(--paper);
    font-size: 17px;
    line-height: 1.9;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    word-break: normal;
    overflow-wrap: anywhere;
    line-break: strict;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent-dark); }

.container {
    width: 100%;
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------- 見出し ---------- */
h1, h2, h3 {
    font-family: var(--serif);
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: .01em;
}

.eyebrow {
    font-family: var(--sans);
    font-weight: 700;
    font-size: .8rem;
    letter-spacing: .12em;
    color: var(--accent-dark);
    margin: 0 0 .6em;
    display: inline-block;
    position: relative;
    padding-left: 30px;
}
.eyebrow::before {
    content: "";
    position: absolute;
    left: 0; top: 50%;
    width: 22px; height: 2px;
    background: var(--accent);
}

.section-head { margin-bottom: 2.2rem; }
.section-head h2 {
    font-size: clamp(1.5rem, 5vw, 2.1rem);
    margin: 0;
    color: var(--ink);
}
.section-sub {
    margin: 1rem 0 0;
    color: var(--ink-soft);
    font-size: 1.02rem;
}

/* マーカー風ハイライト(控えめ) */
.mark {
    background: linear-gradient(transparent 60%, var(--marker) 60%);
    padding: 0 .05em;
    font-weight: 700;
}

/* ---------- セクション帯 ---------- */
.section { padding: 4rem 0; }
.section-tint { background: var(--paper-2); }

/* =========================================================
   ヘッダー
   ========================================================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(251, 247, 240, .95);
    backdrop-filter: saturate(120%) blur(6px);
    border-bottom: 1px solid var(--line);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 68px;
}
.brand {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    line-height: 1.25;
}
.brand-main {
    font-family: var(--serif);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--ink);
}
.brand-sub {
    font-size: .68rem;
    letter-spacing: .06em;
    color: var(--ink-faint);
    font-weight: 500;
}

.nav {
    display: flex;
    align-items: center;
    gap: 22px;
}
.nav a {
    text-decoration: none;
    color: var(--ink);
    font-size: .95rem;
    font-weight: 500;
    padding: 4px 0;
    border-bottom: 2px solid transparent;
}
.nav a:hover { border-bottom-color: var(--accent); }
.nav a[aria-current="page"] {
    color: var(--accent-dark);
    border-bottom-color: var(--accent);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
}

.nav-toggle {
    display: none;
    border: 1px solid var(--line);
    background: var(--card);
    border-radius: 8px;
    width: 46px; height: 42px;
    cursor: pointer;
    padding: 0;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
    display: block;
    width: 22px; height: 2px;
    background: var(--ink);
    margin: 0 auto;
    position: relative;
    transition: transform .2s;
}
.nav-toggle span::before { content: ""; position: absolute; top: -7px; left: 0; }
.nav-toggle span::after  { content: ""; position: absolute; top: 7px;  left: 0; }

/* =========================================================
   ボタン
   ========================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4em;
    font-family: var(--sans);
    font-weight: 700;
    text-decoration: none;
    border-radius: 8px;
    padding: .85em 1.6em;
    line-height: 1.4;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform .12s ease, background .15s, box-shadow .15s;
    text-align: center;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 0 var(--accent-dark);
}
.btn-primary:hover { background: var(--accent-dark); }
.btn-outline {
    background: transparent;
    color: var(--accent-dark);
    border-color: var(--accent);
}
.btn-outline:hover { background: var(--accent-tint); }
.btn-lg { font-size: 1.1rem; padding: 1em 2em; }
.btn-block { display: flex; width: 100%; }
.btn-header { padding: .6em 1.1em; font-size: .9rem; }

/* =========================================================
   お問い合わせフォーム
   ========================================================= */
.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem 1.6rem;
    max-width: 720px;
}
.contact-form label {
    display: flex;
    flex-direction: column;
    gap: .5em;
    font-weight: 700;
    color: var(--ink);
    font-size: .95rem;
}
.contact-form label.full { grid-column: 1 / -1; }
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    font-family: var(--sans);
    font-size: 1rem;
    font-weight: 400;
    color: var(--ink);
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: .75em .9em;
    line-height: 1.6;
}
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-tint);
}
.contact-form textarea { resize: vertical; min-height: 8em; }
.contact-form button[type="submit"] {
    grid-column: 1 / -1;
    justify-self: start;
    border: none;
}
.form-status {
    grid-column: 1 / -1;
    margin: 0;
    font-weight: 700;
}
.form-status.is-success { color: var(--leaf); }
.form-status.is-error { color: var(--accent-dark); }
@media (max-width: 640px) {
    .contact-form { grid-template-columns: 1fr; }
}

/* =========================================================
   ヒーロー(トップ)
   ========================================================= */
.hero {
    position: relative;
    background: var(--paper-2);
    overflow: hidden;
}
.hero-inner {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 40px;
    align-items: center;
    padding: 3.2rem 20px;
}
.hero-copy { position: relative; z-index: 2; }
.hero-title {
    font-size: clamp(1.9rem, 6.2vw, 3rem);
    line-height: 1.4;
    margin: .2em 0 .5em;
    color: var(--ink);
}
.hero-title .mark { background: linear-gradient(transparent 62%, var(--marker) 62%); }
.hero-lead {
    font-size: 1.08rem;
    color: var(--ink-soft);
    margin: 0 0 1.6rem;
}
.hero-note {
    margin: .9rem 0 0;
    font-size: .9rem;
    color: var(--ink-faint);
}
.hero-photo {
    position: relative;
}
.hero-photo img {
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    object-fit: cover;
    aspect-ratio: 4 / 3;
}
.hero-photo::after {
    /* 手描き風の下敷き */
    content: "";
    position: absolute;
    inset: 14px -14px -14px 14px;
    border: 2px solid var(--accent);
    border-radius: 14px;
    z-index: -1;
    opacity: .5;
}

/* =========================================================
   共感(あるある)
   ========================================================= */
.empathy-list {
    display: grid;
    gap: 18px;
}
.empathy-item {
    background: var(--card);
    border: 1px solid var(--line);
    border-left: 5px solid var(--accent);
    border-radius: var(--radius);
    padding: 1.4rem 1.5rem;
    box-shadow: var(--shadow);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 4px 18px;
    align-items: start;
}
.empathy-num {
    grid-row: span 2;
    font-family: var(--serif);
    font-size: 1.7rem;
    color: var(--accent);
    line-height: 1;
    padding-top: 4px;
}
.empathy-item h3 { margin: 0; font-size: 1.15rem; }
.empathy-item p { margin: .3rem 0 0; color: var(--ink-soft); }

/* =========================================================
   考え方 / フレーズ例
   ========================================================= */
.phrase-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
    margin-top: 1.5rem;
}
.phrase-card {
    background: var(--card);
    border: 1px dashed var(--accent);
    border-radius: var(--radius);
    padding: 1.3rem 1.4rem;
}
.phrase-ja { margin: 0 0 .3rem; font-weight: 700; color: var(--ink); }
.phrase-en {
    margin: 0;
    font-family: var(--serif);
    font-size: 1.2rem;
    color: var(--accent-dark);
}
.phrase-caption {
    margin: 1.4rem 0 0;
    color: var(--ink-soft);
}

/* =========================================================
   サービスダイジェスト(トップ) — 縦並びステップ
   ========================================================= */
.digest-steps {
    list-style: none;
    counter-reset: dstep;
    margin: 0 0 1.5rem;
    padding: 0;
    display: grid;
    gap: 12px;
}
.digest-steps li {
    counter-increment: dstep;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1rem 1.2rem 1rem 3.6rem;
    position: relative;
}
.digest-steps li::before {
    content: counter(dstep);
    position: absolute;
    left: 1rem; top: 50%;
    transform: translateY(-50%);
    width: 34px; height: 34px;
    background: var(--accent);
    color: #fff;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-family: var(--serif);
    font-weight: 700;
}
.digest-steps li strong { font-size: 1.05rem; }
.digest-steps li span { color: var(--ink-soft); display: block; font-size: .95rem; }
.note-inline {
    font-size: .9rem;
    color: var(--ink-faint);
    margin: 0 0 1.3rem;
}

/* =========================================================
   料金サマリー(トップ) & プラン詳細(サービス)
   ========================================================= */
.plan-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    align-items: start;
}
.plan-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.6rem 1.5rem;
    box-shadow: var(--shadow);
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}
.plan-card-featured {
    border: 2px solid var(--accent);
    box-shadow: var(--shadow-lg);
}
.plan-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: #fff;
    font-size: .8rem;
    font-weight: 700;
    padding: .3em 1.1em;
    border-radius: 20px;
    white-space: nowrap;
}
.plan-name {
    font-size: 1.25rem;
    margin: .2rem 0 .4rem;
    text-align: center;
}
.plan-price {
    text-align: center;
    font-family: var(--serif);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--accent-dark);
    margin: 0;
    line-height: 1.1;
}
.plan-price .unit { font-size: 1rem; margin-left: 2px; }
.plan-price-note {
    text-align: center;
    color: var(--ink-faint);
    font-size: .85rem;
    margin: .2rem 0 1rem;
}
.plan-lead {
    text-align: center;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 .8rem;
    font-size: .98rem;
}
.plan-desc {
    color: var(--ink-soft);
    font-size: .95rem;
    margin: 0 0 1rem;
}
.plan-features {
    list-style: none;
    margin: 0 0 1.4rem;
    padding: 0;
    border-top: 1px solid var(--line);
    padding-top: 1rem;
}
.plan-features li {
    position: relative;
    padding-left: 26px;
    margin-bottom: .6rem;
    font-size: .93rem;
    color: var(--ink);
}
.plan-features li::before {
    content: "";
    position: absolute;
    left: 0; top: .55em;
    width: 14px; height: 8px;
    border-left: 2px solid var(--leaf);
    border-bottom: 2px solid var(--leaf);
    transform: rotate(-45deg);
}
.plan-card .btn { margin-top: auto; }

/* サマリー版(トップ) 簡易カード */
.plan-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
.plan-summary .plan-card { padding: 1.5rem 1.3rem; }
.plan-summary .plan-one {
    text-align: center;
    color: var(--ink-soft);
    margin: 0 0 1.2rem;
    font-size: .95rem;
    min-height: 3em;
}
.summary-more {
    text-align: center;
    margin-top: 2rem;
}

/* =========================================================
   選ばれる理由
   ========================================================= */
.reasons {
    display: grid;
    gap: 22px;
}
.reason {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 20px;
    align-items: start;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.5rem 1.6rem;
    box-shadow: var(--shadow);
}
.reason-num {
    font-family: var(--serif);
    font-size: 2rem;
    color: #fff;
    background: var(--accent);
    width: 52px; height: 52px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    line-height: 1;
}
.reason h3 { margin: 0 0 .4rem; font-size: 1.18rem; }
.reason p { margin: 0; color: var(--ink-soft); }

/* =========================================================
   お客様の声
   ========================================================= */
.voice-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 2rem 2rem 1.6rem;
    box-shadow: var(--shadow);
    margin: 0;
    max-width: 780px;
    position: relative;
}
.voice-card::before {
    content: "“";
    font-family: var(--serif);
    font-size: 4rem;
    color: var(--accent-tint);
    position: absolute;
    top: .2rem; left: 1rem;
    line-height: 1;
}
.voice-card blockquote {
    margin: 0;
    padding-left: 1.2rem;
    font-size: 1.05rem;
    color: var(--ink);
}
.voice-card figcaption {
    margin-top: 1rem;
    text-align: right;
    font-weight: 700;
    color: var(--ink-soft);
}

/* =========================================================
   サービスの流れ + プラン対応(service.html)
   ========================================================= */
.flow-note {
    background: var(--accent-tint);
    border-left: 4px solid var(--accent);
    padding: .9rem 1.2rem;
    border-radius: 6px;
    margin: 0 0 1.8rem;
    font-size: .96rem;
    color: var(--ink);
}
.flow-steps {
    list-style: none;
    counter-reset: fstep;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 16px;
}
.flow-step {
    counter-increment: fstep;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.4rem 1.5rem;
    box-shadow: var(--shadow);
}
.flow-step-top {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: .5rem;
    flex-wrap: wrap;
}
.flow-step-num {
    font-family: var(--serif);
    font-weight: 700;
    color: #fff;
    background: var(--accent);
    padding: .2em .8em;
    border-radius: 6px;
    font-size: .85rem;
    white-space: nowrap;
}
.flow-step h3 { margin: 0; font-size: 1.18rem; }
.flow-step p { margin: 0; color: var(--ink-soft); }
.flow-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: .9rem;
}
.plan-tag {
    font-size: .8rem;
    font-weight: 700;
    padding: .25em .7em;
    border-radius: 20px;
    border: 1px solid var(--line);
    background: var(--paper-2);
    color: var(--ink-faint);
    white-space: nowrap;
}
.plan-tag.on {
    background: var(--leaf);
    border-color: var(--leaf);
    color: #fff;
}
.plan-tag.off {
    text-decoration: line-through;
    opacity: .7;
}

/* 対応表 */
.matrix-wrap { overflow-x: auto; margin: 2rem 0 0; }
.matrix {
    border-collapse: collapse;
    width: 100%;
    min-width: 560px;
    background: var(--card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    font-size: .93rem;
}
.matrix th, .matrix td {
    border: 1px solid var(--line);
    padding: .8em .7em;
    text-align: center;
    vertical-align: middle;
}
.matrix thead th {
    background: var(--ink);
    color: #fff;
    font-family: var(--sans);
    font-size: .9rem;
}
.matrix thead th.col-std { background: var(--accent-dark); }
.matrix tbody th {
    text-align: left;
    background: var(--paper-2);
    font-weight: 700;
    white-space: nowrap;
}
.matrix .yes { color: var(--leaf); font-weight: 700; }
.matrix .no  { color: var(--ink-faint); }
.matrix .col-std { background: var(--accent-tint); }
.matrix tbody tr:last-child td { border-bottom: none; }
.matrix-cap {
    font-size: .85rem;
    color: var(--ink-faint);
    margin: .8rem 0 0;
}

/* =========================================================
   FAQ
   ========================================================= */
.faq-list { display: grid; gap: 12px; max-width: 800px; }
.faq-item {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}
.faq-item summary {
    cursor: pointer;
    list-style: none;
    padding: 1.1rem 3rem 1.1rem 1.3rem;
    font-weight: 700;
    position: relative;
    color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: "+";
    position: absolute;
    right: 1.2rem; top: 50%;
    transform: translateY(-50%);
    font-size: 1.4rem;
    color: var(--accent);
    line-height: 1;
}
.faq-item[open] summary::after { content: "–"; }
.faq-answer { padding: 0 1.3rem 1.2rem; color: var(--ink-soft); }
.faq-answer p { margin: 0; }

/* =========================================================
   「どのプランか分からない方へ」帯
   ========================================================= */
.choose-help {
    background: var(--accent-tint);
    border-radius: var(--radius);
    padding: 2rem 1.8rem;
    text-align: center;
}
.choose-help h2 { margin: 0 0 .6rem; font-size: 1.35rem; }
.choose-help p { margin: 0 auto 1.4rem; color: var(--ink-soft); max-width: 620px; }

/* =========================================================
   代表あいさつ(about.html)
   ========================================================= */
.greeting-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    align-items: start;
}
.greeting-photo img {
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    width: 100%;
}
.greeting-sign {
    margin: 1rem 0 0;
    text-align: center;
    color: var(--ink-soft);
    font-size: .9rem;
    line-height: 1.6;
}
.greeting-name {
    font-family: var(--serif);
    font-size: 1.25rem;
    color: var(--ink);
    display: inline-block;
    margin-top: .2rem;
}
.greeting-body p { margin: 0 0 1.2rem; }
.greeting-lead {
    font-family: var(--serif);
    font-size: 1.3rem;
    line-height: 1.7;
    color: var(--ink);
    margin: 0 0 1.4rem;
}
.greeting-key {
    font-size: 1.1rem;
    border-left: 4px solid var(--accent);
    padding: .3rem 0 .3rem 1rem;
    color: var(--ink);
}

/* =========================================================
   運営会社セクション
   ========================================================= */
.company-box {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 32px;
    align-items: center;
}
.company-logo-wrap {
    display: grid;
    place-items: center;
    padding: 1rem;
    background: var(--paper-2);
    border-radius: var(--radius);
}
.company-logo-wrap img { max-width: 160px; }
.company-info h3 { margin: 0 0 .6rem; font-size: 1.3rem; }
.company-info p { margin: 0 0 1rem; color: var(--ink-soft); }
.company-links {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}
.company-links a {
    font-weight: 700;
    text-decoration: none;
    border-bottom: 2px solid var(--accent);
    padding-bottom: 2px;
}

/* =========================================================
   締めのCTAセクション(全ページ)
   ========================================================= */
.cta-band {
    background: var(--ink);
    color: #fff;
    text-align: center;
    padding: 3.4rem 20px;
}
.cta-band h2 {
    color: #fff;
    font-size: clamp(1.4rem, 5vw, 2rem);
    margin: 0 0 1rem;
}
.cta-band p {
    color: #E9E1D6;
    max-width: 640px;
    margin: 0 auto 1.8rem;
}
.cta-band .hero-note,
.cta-band .cta-note {
    color: #b8ada0;
    font-size: .88rem;
    margin-top: 1rem;
}

/* =========================================================
   フッター
   ========================================================= */
.site-footer {
    background: var(--paper-2);
    border-top: 1px solid var(--line);
    padding: 2.6rem 0 1.4rem;
}
.footer-company {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 20px;
    align-items: center;
    max-width: 760px;
}
.footer-logo { max-width: 130px; }
.footer-label {
    display: block;
    font-size: .78rem;
    color: var(--ink-faint);
    letter-spacing: .08em;
    margin-bottom: .3rem;
}
.footer-name {
    font-family: var(--serif);
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--ink);
}
.footer-desc {
    margin: .4rem 0 .8rem;
    color: var(--ink-soft);
    font-size: .92rem;
}
.footer-company-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}
.footer-company-links a {
    font-size: .9rem;
    font-weight: 700;
    text-decoration: none;
    border-bottom: 1px solid var(--accent);
    padding-bottom: 1px;
}
.footer-divider {
    border: none;
    border-top: 1px solid var(--line);
    margin: 1.8rem 0 1.2rem;
}
.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 1rem;
}
.footer-nav a {
    text-decoration: none;
    color: var(--ink-soft);
    font-size: .92rem;
}
.footer-nav a:hover { color: var(--accent-dark); }
.copyright {
    font-size: .82rem;
    color: var(--ink-faint);
    margin: 0;
}

/* =========================================================
   スクロール演出(控えめ)
   ========================================================= */
.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .5s ease, transform .5s ease;
}
.reveal.is-visible {
    opacity: 1;
    transform: none;
}
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
}

/* =========================================================
   レスポンシブ
   ========================================================= */
@media (max-width: 900px) {
    .hero-inner { grid-template-columns: 1fr; gap: 28px; }
    .hero-photo { order: -1; }
    .hero-photo::after { inset: 10px -10px -10px 10px; }
    .plan-grid, .plan-summary { grid-template-columns: 1fr; gap: 26px; }
    .plan-card-featured { order: -1; }
    .greeting-layout { grid-template-columns: 1fr; gap: 24px; }
    .greeting-photo { max-width: 280px; margin: 0 auto; }
    .company-box { grid-template-columns: 1fr; gap: 20px; text-align: center; }
    .company-links { justify-content: center; }
    .footer-company { grid-template-columns: 1fr; text-align: left; }
}

@media (max-width: 720px) {
    body { font-size: 16.5px; }
    .section { padding: 3rem 0; }

    /* ハンバーガー */
    .nav-toggle { display: block; }
    .nav {
        position: fixed;
        inset: 68px 0 auto 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--paper);
        border-bottom: 1px solid var(--line);
        box-shadow: var(--shadow-lg);
        padding: 8px 20px 20px;
        transform: translateY(-120%);
        transition: transform .25s ease;
        z-index: 40;
    }
    .nav.open { transform: translateY(0); }
    .nav a {
        padding: 14px 4px;
        border-bottom: 1px solid var(--line);
        font-size: 1.05rem;
    }
    .nav a:hover { border-bottom-color: var(--line); }
    .nav-cta { margin-top: 14px; }
    .nav-cta .btn { width: 100%; }
    .header-cta-desktop { display: none; }

    .phrase-list { grid-template-columns: 1fr; }
    .reason { grid-template-columns: 1fr; gap: 12px; }
    .reason-num { width: 46px; height: 46px; font-size: 1.7rem; }
    .cta-band { padding: 2.6rem 20px; }
}