@charset "UTF-8";

/* ========================================
   変数
======================================== */
:root {
  --blue: #15a9ce;
  --deep: #197a9d;
  --ink: #424242;
  --pale: #effaff;
  --line: #c9eaf5;
  --red: #bd1234;
}

/* ========================================
   リセット・共通設定
======================================== */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #dff2f8;
  color: var(--ink);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* ========================================
   ページ全体
======================================== */
.page-bg {
  min-height: 100vh;
  padding: 0 16px;
  background:
    radial-gradient(circle at 20% 15%, rgba(255, 255, 255, 0.9), transparent 32%),
    linear-gradient(135deg, #dff4fa, #eef9fc);
}

.lp {
  width: 100%;
  max-width: 510px;
  margin: auto;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 0 40px rgba(55, 126, 157, 0.18);
}

.inner {
  padding-right: 34px;
  padding-left: 34px;
}

.kv {
  line-height: 0;
}

/* ========================================
   リード画像
======================================== */
.lead {
  padding: 0;
  background: #fff;
}

.lead__image {
  line-height: 0;
}

/* ========================================
   お悩みセクション
======================================== */
.trouble {
  position: relative;
  padding: 48px 0 66px;
  background: #f5f5f4;
  clip-path: polygon(0 0, 100% 0, 100% 88%, 50% 100%, 0 88%);
}

.eyebrow {
  margin: 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 22px;
  line-height: 1.8;
  letter-spacing: 0.12em;
  text-align: center;
}

.title {
  margin: 3px 0 8px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-align: center;
}

.title--dark {
  color: #222;
  font-size: 34px;
}

.intro {
  margin: 0 0 24px;
  font-size: 18px;
  line-height: 1.8;
  letter-spacing: 0.08em;
  text-align: center;
}

.trouble__grid {
  display: grid;
  grid-template-columns: 1fr 138px;
  gap: 18px;
  align-items: center;
}

.trouble__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.trouble__list li {
  margin: 0 0 9px;
  padding: 8px 6px;
  background: #dedede;
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: 0.04em;
  text-align: center;
}

.trouble__photo {
  overflow: hidden;
  border-radius: 50%;
}

/* ========================================
   メッセージセクション
======================================== */
.message {
  padding: 52px 20px 48px;
  background: #fff;
  text-align: center;
}

.message p {
  margin: 0 0 6px;
  color: var(--blue);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 30px;
  font-weight: 700;
}

.message h2 {
  margin: 0;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 24px;
  font-weight: 500;
  letter-spacing: 0.12em;
}

/* ========================================
   選ばれる理由
======================================== */
.points {
  padding: 48px 0 42px;
  background: var(--pale);
}

.section-head {
  margin-bottom: 36px;
  text-align: center;
}

.section-head span {
  display: inline-block;
  width: 180px;
  padding: 5px;
  background: var(--blue);
  color: #fff;
  font-size: 14px;
  letter-spacing: 0.22em;
}

.section-head h2 {
  margin: 15px 0 0;
  color: var(--blue);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 34px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.08em;
}

.point {
  display: grid;
  grid-template-columns: 128px 1fr;
  gap: 22px;
  align-items: center;
  margin-bottom: 30px;
}

.point--reverse {
  grid-template-columns: 1fr 128px;
}

.point--reverse img {
  grid-column: 2;
}

.point--reverse div {
  grid-row: 1;
  grid-column: 1;
}

.point img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 50%;
}

.point__num {
  margin: 0 0 2px;
  color: #89ccdf;
  font-size: 22px;
  letter-spacing: 0.18em;
}

.point h3 {
  margin: 0 0 8px;
  color: var(--blue);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 23px;
  line-height: 1.45;
}

.point p:last-child {
  margin: 0;
  font-size: 16px;
  line-height: 2;
}

/* ========================================
   受賞セクション
======================================== */
.award {
  padding: 46px 0 50px;
  background: #fff;
  text-align: center;
}

.award h2 {
  margin: 0 0 18px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 25px;
  font-weight: 500;
  letter-spacing: 0.13em;
}

.award img {
  width: 300px;
  margin: 0 auto 12px;
}

.award p {
  margin: 0 0 2px;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 22px;
  letter-spacing: 0.08em;
}

.award strong {
  display: block;
  color: var(--blue);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 40px;
  letter-spacing: 0.02em;
}

/* ========================================
   イメージビジュアル
======================================== */
.visual {
  position: relative;
  line-height: 0;
}

.visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.75), rgba(255, 255, 255, 0) 70%);
}

.visual p {
  position: absolute;
  z-index: 2;
  top: 80px;
  left: 28px;
  margin: 0;
  color: #333;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 26px;
  line-height: 1.7;
  letter-spacing: 0.08em;

}

/* ========================================
   商品・価格・購入ボタン
======================================== */
.offer {
  padding: 40px 0 48px;
  background: #fff;
  text-align: center;
}

.offer__label {
  display: inline-block;
  margin-bottom: 12px;
  padding: 7px 20px;
  border-radius: 4px;
  background: var(--blue);
  color: #fff;
  font-size: 16px;
  letter-spacing: 0.12em;
}

.offer h2 {
  margin: 0;
  color: var(--blue);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 34px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0.08em;
}

.offer h2 span {
  font-size: 35px;
}

.offer__product {
  width: 360px;
  max-width: 100%;
  margin: 22px auto 12px;
}

.offer__regular {
  margin: 0 0 10px;
  font-size: 17px;
}

.offer__regular small {
  font-size: 13px;
}

.offer__price {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 10px;
}

.offer__price span {
  margin-bottom: 6px;
  padding: 5px 9px;
  border: 1px solid #6fb7ca;
  color: var(--blue);
  font-size: 16px;
  line-height: 1.15;
}

.offer__price strong {
  color: var(--red);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", Meiryo, sans-serif;
  font-size: 58px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
}

.offer__tax {
  margin: 2px 0 18px;
  color: var(--red);
  font-size: 15px;
}

.offer__btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 285px;
  height: 56px;
  margin: 0 auto;
  border-radius: 5px;
  background: linear-gradient(#34b9dc, #1aa4cb);
  box-shadow: 0 9px 20px rgba(20, 154, 191, 0.22);
  color: #fff;
  font-size: 20px;
  letter-spacing: 0.12em;
  transition: 0.25s;
}

.offer__btn::after {
  content: "›";
  position: absolute;
  right: 20px;
  font-size: 31px;
}

.offer__btn:hover {
  filter: brightness(1.04);
  transform: translateY(-2px);
}

.offer__period {
  margin: 17px 0 0;
  color: #777;
  font-size: 15px;
  line-height: 1.7;
}
.price-normal {
  font-size: 14px;
  color: #666;
  text-align: center;
  margin-bottom: 10px;
}

.price-normal span {
  position: relative;
  display: inline-block;
}

.price-normal span::after {
  content: "";
  position: absolute;
  left: -4%;
  top: 50%;
  width: 108%;
  height: 2px;
  background: #c70039;
  transform: rotate(-8deg);
}

/* ========================================
   右側固定ナビゲーション
======================================== */
.side-nav {
  position: fixed;
  z-index: 10;
  top: 145px;
  left: calc(50% + 280px);
  display: flex;
  flex-direction: column;
  gap: 25px;
  color: #317f9e;
  font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
}

.side-nav a {
  font-size: 20px;
  letter-spacing: 0.12em;
  transition: 0.2s;
}

.side-nav a:hover {
  color: #116887;
  transform: translateX(4px);
}

/* ========================================
   スクロールアニメーション
======================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.is-show {
  opacity: 1;
  transform: none;
}

/* ========================================
   レスポンシブ：タブレット以下
======================================== */
@media screen and (max-width: 900px) {
  .side-nav {
    display: none;
  }
}

/* ========================================
   レスポンシブ：スマートフォン
======================================== */
@media screen and (max-width: 540px) {
  .page-bg {
    padding: 0;
  }

  .inner {
    padding-right: 26px;
    padding-left: 26px;
  }

  .trouble__grid {
    grid-template-columns: 1fr 120px;
    gap: 12px;
  }

  .trouble__list li {
    font-size: 14px;
  }

  .point {
    grid-template-columns: 112px 1fr;
    gap: 17px;
  }

  .point--reverse {
    grid-template-columns: 1fr 112px;
  }

  .section-head h2 {
    font-size: 31px;
  }

  .award strong {
    font-size: 29px;
  }

  .visual p {
    top: 50px;
    font-size: 23px;
  }

  .offer__price strong {
    font-size: 54px;
  }
}

/* ================================
  右側固定メニュー（2605CP参考 / ブルーベース）
================================ */
.side-nav{
  position:fixed;
  top:135px;
  left:calc(50% + 300px);
  z-index:20;
  display:flex;
  flex-direction:column;
  gap:34px;
}

.side-nav a{
  position:relative;
  display:inline-block;
  color:#5b90ad;
  font-family:"Hiragino Mincho ProN","Yu Mincho","YuMincho",serif;
  font-size:24px;
  line-height:1.2;
  letter-spacing:.18em;
  text-shadow:0 1px 8px rgba(255,255,255,.8);
  transition:opacity .3s ease,transform .3s ease;color .3s ease;
}

.side-nav a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-7px;
  width:0;
  height:1px;
  background:currentColor;
  transition:width .3s ease;
}

.side-nav a:hover{
  color:#3f7f9f;
  opacity:.75;
  transform:translateX(4px);
}

.side-nav a:hover::after{
  width:100%;
}

.page-layout{
  max-width:1200px;
  margin:0 auto;
  position:relative;
}

.side--left{
  position:fixed;
  left:50%;
  margin-left:-520px;
  top:120px;
  width:180px;
  z-index:100;
}

.brand-block{
  text-align:center;
}

.brand-logo{
  width:160px;
  margin:0 auto 20px;
}

.official-btn{
  display:block;
  padding:14px 20px;
  background:#6da7c0;
  color:#fff;
  border-radius:4px;
  font-size:14px;
  letter-spacing:.12em;
  transition:.3s;
}

.official-btn:hover{
  background:#5b90ad;
}