@charset "UTF-8";

/* ======================
リセット
====================== */
body {
  font-family: sans-serif;
  line-height: 1.7;
  color: #333;
	margin: 0;
	padding: 0;
}

/* ======================
header（固定＆透明）
====================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;

  padding: clamp(28px, 6vw, 48px) clamp(20px, 5vw, 40px) 20px 24px;
  box-sizing: border-box;

  background: transparent;
  z-index: 1200;
}

/* 視認性少しUP（任意） */
.header::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(255,255,255,0.4),
    rgba(255,255,255,0)
  );
  pointer-events: none;
	display: none;
}

.header-inner {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.header-icons {
  display: flex;
  align-items: center;
  gap: clamp(12px, 3vw, 24px);
}

/* アイコン */
.icon img {
  width: clamp(28px, 5vw, 48px);
  height: auto;
  display: block;
}

/* ======================
ハンバーガー
====================== */
/* ハンバーガー */
.hamburger {
  width: clamp(70px, 12.5vw, 120px);
  height: clamp(70px, 12.5vw, 120px); /* ←高さを完全一致 */
  position: relative;
  z-index: 1100;
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger span {
  position: absolute;
  width: 70%;
  height: 2px;
  background: #000;

  left: 50%;
  transform: translateX(-50%);
  transition: 0.3s;
}

.hamburger span:nth-child(1) { top: 30%; }
.hamburger span:nth-child(2) {
  top: 50%;
  transform: translate(-50%, -50%);
}
.hamburger span:nth-child(3) { top: 70%; }

/* × */
.hamburger.active span:nth-child(1) {
  top: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  top: 50%;
  transform: translate(-50%, -50%) rotate(-45deg);
}

/* ======================
メニュー（全面）
====================== */
.menu {
  position: fixed;
  inset: 0;

  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);

  opacity: 0;
  visibility: hidden;
  transition: 0.4s;

  z-index: 1100;

  display: flex;
  justify-content: center;
  align-items: center;
}

.menu.active {
  opacity: 1;
  visibility: visible;
}

/* 中央配置 */
.menu ul {
  list-style: none;
  padding: 0;
  text-align: center;
}

/* 行間 */
.menu li {
  margin-bottom: clamp(20px, 4vw, 40px);
}

/* テキスト */
.menu a {
  text-decoration: none;
  color: #333;
  font-size: clamp(23px, 6vw, 35px);
  font-weight: 600;
}

/* SNS */
.menu-sns {
  margin-top: clamp(40px, 8vw, 80px);
}

.menu-sns img {
  width: clamp(32px, 8vw, 60px);
  margin: 0 auto;
  display: block;
}

/* ======================
greeting
====================== */
.greeting {
  padding: 60px 20px;
  text-align: center;

  background: url("image/gbg1.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* ビジュアル */
.greeting-visual img {
  width: 90%;
  height: auto;
  display: block;
  margin: 20vw auto 0; /* ← 上だけ余白 */
}

/* 本文 */
.greeting-text {
  margin: 30px auto 0;

  max-width: 700px;

  /* 左右余白追加（重要） */
  padding: 0 clamp(16px, 5vw, 40px);

  text-align: left;

  /* フォントサイズ調整 */
  font-size: clamp(16px, 3.5vw, 22px);

  line-height: 1.9;
  color: #333;
}

/* リスト */
.greeting-text ul {
  margin: 20px 0;
  padding-left: 18px;
}

.greeting-text li {
  margin-bottom: 6px;
}

/* サイン */
.sign {
  display: block;
  width: fit-content;
  margin: 30px 0 0 auto;
  position: relative;
  padding-left: 12px;
  text-align: left;
  letter-spacing: 0.1em;
  line-height: 1.8;
}

/* 左の縦バー */
.sign::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 6px;
  height: 100%;
  background: #71bfc3;
}

/* ======================
reason
====================== */
.reason {
  margin: 0;
  padding: 0;
}

.reason img {
  width: 100vw;
}

/* SEO非表示 */
.seo-text {
  position: absolute;
  left: -9999px;
}


/* ======================
shine（キラ）
====================== */
.shine {
  position: relative;
  overflow: hidden;
}

.shine::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -150%;
  width: 300%;
  height: 200%;

  background: linear-gradient(
    120deg,
    rgba(255,255,255,0) 0%,
    rgba(255,255,255,0.3) 40%,
    rgba(255,255,255,0.6) 50%,
    rgba(255,255,255,0.3) 60%,
    rgba(255,255,255,0) 100%
  );

  transform: rotate(15deg);
  pointer-events: none;
  filter: blur(1px);
}

/* 発火 */
.shine.show::after {
  animation: shineFlow 1.6s ease forwards;
}

@keyframes shineFlow {
  0% { left: -150%; }
  100% { left: 150%; }
}